Expand your collection of tailor-made Hot Wheels vehicles with this assortment of proto shotz wax sticks. Designed to work with the car maker (sold separately), they help kids turn a stick of wax into a fully functioning Hot Wheels vehicle in a matter of minutes! The pack includes five sticks in different colors that heat and cool in the molds when used with the car maker to create even more unique cars! Ages 5 and up.